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Documentation update.

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Philip.Hazel 2017-12-31 17:44:12 +00:00
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doc/pcre2api.3
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@ -1,4 +1,4 @@
.TH PCRE2API 3 "16 December 2017" "PCRE2 10.31" .TH PCRE2API 3 "31 December 2017" "PCRE2 10.31"
.SH NAME .SH NAME
PCRE2 - Perl-compatible regular expressions (revised API) PCRE2 - Perl-compatible regular expressions (revised API)
.sp .sp
@ -875,10 +875,10 @@ PCRE2_USE_OFFSET_LIMIT is not set, an error is generated.
.P .P
The offset limit facility can be used to track progress when searching large The offset limit facility can be used to track progress when searching large
subject strings or to limit the extent of global substitutions. See also the subject strings or to limit the extent of global substitutions. See also the
PCRE2_FIRSTLINE option, which requires a match to start within the first line PCRE2_FIRSTLINE option, which requires a match to start before or at the first
of the subject. If this is set with an offset limit, a match must occur in the newline that follows the start of matching in the subject. If this is set with
first line and also within the offset limit. In other words, whichever limit an offset limit, a match must occur in the first line and also within the
comes first is used. offset limit. In other words, whichever limit comes first is used.
.sp .sp
.nf .nf
.B int pcre2_set_heap_limit(pcre2_match_context *\fImcontext\fP, .B int pcre2_set_heap_limit(pcre2_match_context *\fImcontext\fP,
@ -1446,11 +1446,16 @@ changed within a pattern by a (?xx) option setting.
PCRE2_FIRSTLINE PCRE2_FIRSTLINE
.sp .sp
If this option is set, the start of an unanchored pattern match must be before If this option is set, the start of an unanchored pattern match must be before
or at the first newline in the subject string, though the matched text may or at the first newline in the subject string following the start of matching,
continue over the newline. See also PCRE2_USE_OFFSET_LIMIT, which provides a though the matched text may continue over the newline. If \fIstartoffset\fP is
more general limiting facility. If PCRE2_FIRSTLINE is set with an offset limit, non-zero, the limiting newline is not necessarily the first newline in the
a match must occur in the first line and also within the offset limit. In other subject. For example, if the subject string is "abc\enxyz" (where \en
words, whichever limit comes first is used. represents a single-character newline) a pattern match for "yz" succeeds with
PCRE2_FIRSTLINE if \fIstartoffset\fP is greater than 3. See also
PCRE2_USE_OFFSET_LIMIT, which provides a more general limiting facility. If
PCRE2_FIRSTLINE is set with an offset limit, a match must occur in the first
line and also within the offset limit. In other words, whichever limit comes
first is used.
.sp .sp
PCRE2_LITERAL PCRE2_LITERAL
.sp .sp
@ -3600,6 +3605,6 @@ Cambridge, England.
.rs .rs
.sp .sp
.nf .nf
Last updated: 16 December 2017 Last updated: 31 December 2017
Copyright (c) 1997-2017 University of Cambridge. Copyright (c) 1997-2017 University of Cambridge.
.fi .fi